1 Clinical Practice Assessment Unit, Department of Medicine, McGill University, Montréal, Qué, Canada; Centre for Outcomes Research and Evaluation (CORE), Department of Medicine, Research Institute, McGill University Health Centre, Montréal, Qué, Canada. Electronic address: todd.lee@mcgill.ca.
2 Division of General Internal Medicine, Department of Medicine, University of British Columbia, Vancouver, BC, Canada.
3 Department of Critical Care Medicine, National Institutes of Health Clinical Center, Bethesda, Md.
4 Clinical Practice Assessment Unit, Department of Medicine, McGill University, Montréal, Qué, Canada; Centre for Outcomes Research and Evaluation (CORE), Department of Medicine, Research Institute, McGill University Health Centre, Montréal, Qué, Canada.